package com.authine.cloudpivot.web.api.util;

import com.alibaba.fastjson.JSON;
import com.google.common.collect.Lists;
import lombok.extern.slf4j.Slf4j;
import org.apache.curator.shaded.com.google.common.collect.Maps;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.List;
import java.util.Map;


/**
 * @ClassName: HttpRequestUtil
 * @Description:
 * @author: ZY
 * @date: 2019/5/11 10:36
 * @version:
 */
@Slf4j
public class HttpRequestUtil {
    /**
     * 发送GET请求
     *
     * @param url        目的地址
     * @param parameters 请求参数，Map类型。
     * @return 远程响应结果
     */
    public static String sendGet(String url, Map<String, String> parameters) {
        String result = "";
        // 读取响应输入流
        BufferedReader in = null;
        // 存储参数
        StringBuffer sb = new StringBuffer();
        // 编码之后的参数
        String params;
        try {
            // 编码请求参数
            if (parameters.size() == 1) {
                for (String name : parameters.keySet()) {
                    sb.append(name).append("=").append(
                            java.net.URLEncoder.encode(parameters.get(name),
                                    "UTF-8"));
                }
                params = sb.toString();
            } else {
                for (String name : parameters.keySet()) {
                    sb.append(name).append("=").append(
                            java.net.URLEncoder.encode(parameters.get(name),
                                    "UTF-8")).append("&");
                }
                String temp_params = sb.toString();
                params = temp_params.substring(0, temp_params.length() - 1);
            }
            String full_url = url + "?" + params;
            System.out.println(full_url);
            // 创建URL对象
            java.net.URL connURL = new java.net.URL(full_url);
            // 打开URL连接
            java.net.HttpURLConnection httpConn = (java.net.HttpURLConnection) connURL
                    .openConnection();
            // 设置通用属性
            httpConn.setRequestProperty("Accept", "*/*");
            httpConn.setRequestProperty("Connection", "Keep-Alive");
            httpConn.setRequestProperty("User-Agent",
                    "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1)");
            // 建立实际的连接
            httpConn.connect();
            // 响应头部获取
            Map<String, List<String>> headers = httpConn.getHeaderFields();
            // 定义BufferedReader输入流来读取URL的响应,并设置编码方式
            in = new BufferedReader(new InputStreamReader(httpConn
                    .getInputStream(), "UTF-8"));
            String line;
            // 读取返回的内容
            while ((line = in.readLine()) != null) {
                result += line;
            }
        } catch (Exception e) {
            log.error("send GET request error: url=" + url + ",params=" + parameters);
        } finally {
            try {
                if (in != null) {
                    in.close();
                }
            } catch (IOException ex) {
                log.error("close InputStream exception: " + ex);
            }
        }
        return result;
    }

    /**
     * 发送POST请求
     *
     * @param url        目的地址
     * @param parameters 请求参数，Map类型。
     * @return 远程响应结果
     */
    public static String sendPost(String url, Map<String, Object> parameters) {
        // 返回的结果
        String result = "";
        // 读取响应输入流
        BufferedReader in = null;
        PrintWriter out = null;
        // 处理请求参数
        StringBuffer sb = new StringBuffer();
        // 编码之后的参数
        String params;
        try {
            // 编码请求参数
            if (parameters.size() == 1) {
                for (String name : parameters.keySet()) {
                    sb.append(name).append("=")
                            .append(java.net.URLEncoder.encode(String.valueOf(parameters.get(name)),
                                    "UTF-8"));
                }
                params = sb.toString();
            } else {
                for (String name : parameters.keySet()) {
                    sb.append(name).append("=").append(
                            java.net.URLEncoder.encode(String.valueOf(parameters.get(name)),
                                    "UTF-8")).append("&");
                }
                String temp_params = sb.toString();
                params = temp_params.substring(0, temp_params.length() - 1);
            }
            // 创建URL对象
            java.net.URL connURL = new java.net.URL(url);
            // 打开URL连接
            java.net.HttpURLConnection httpConn = (java.net.HttpURLConnection) connURL
                    .openConnection();
            // 设置通用属性
            httpConn.setRequestProperty("Accept", "*/*");
            httpConn.setRequestProperty("Connection", "Keep-Alive");
            httpConn.setRequestProperty("User-Agent",
                    "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1)");
            // 设置POST方式
            httpConn.setDoInput(true);
            httpConn.setDoOutput(true);
            // 获取HttpURLConnection对象对应的输出流
            out = new PrintWriter(httpConn.getOutputStream());
            // 发送请求参数
            out.write(params);
            // flush输出流的缓冲
            out.flush();
            // 定义BufferedReader输入流来读取URL的响应，设置编码方式
            in = new BufferedReader(new InputStreamReader(httpConn
                    .getInputStream(), "UTF-8"));
            String line;
            // 读取返回的内容
            while ((line = in.readLine()) != null) {
                result += line;
            }
        } catch (Exception e) {
            log.error("send POST request exception: url=" + url + ",params=" + parameters + " \nexception=" + e);
        } finally {
            try {
                if (out != null) {
                    out.close();
                }
                if (in != null) {
                    in.close();
                }
            } catch (IOException ex) {
                ex.printStackTrace();
            }
        }
        return result;
    }

    /**
     * 主函数，测试请求
     *
     * @param args {"customerclss":
     *             [{
     *             "cccuscode":"01",
     *             "cccusname":"测试",
     *             "sjccuscode":"",
     *             "bccend":"1"
     *             }] }
     */
    public static void main(String[] args) {
        Map<String, String> parameters = Maps.newHashMap();
        parameters.put("token", "E8747C2D-D934-4A25-A4B1-3F75858B4F8C ");

        Map<String, Object> map1 = Maps.newHashMap();
        List<Map<String, Object>> list = Lists.newArrayList();
        Map<String, Object> map2 = Maps.newHashMap();
        map2.put("cccuscode", "04");
        map2.put("cccusname", "测试4");
        map2.put("sjccuscode", "03");
        map2.put("bccend", "0");
        list.add(map2);
        map1.put("customerclss", list);

        parameters.put("json", JSON.toJSONString(map1));

        String result = sendGet("http://47.103.130.81/WebSite/DataOperService.asmx/customerclassAdd", parameters);
        System.out.println(result);
    }


    public static Map sendGetRequest(String url, Map<String, Object> map) {
        Map<String, String> reqMap = Maps.newHashMap();
        //reqMap.put("token", accessTokenService.getERPAccessToken());
        reqMap.put("token", "E8747C2D-D934-4A25-A4B1-3F75858B4F8C");
        reqMap.put("json", JSON.toJSONString(map));
        // 调用ERP的新增客户类型接口传递云枢新增的客户类型
        String s = HttpRequestUtil.sendGet(url, reqMap);
        return (Map) JSON.parse(s);
    }
}
